I did an extensive research on tinting on a new lens material sent to me by a major manufacturer. I have not been told what the material was. I suspect it could have been Trivex.

When tinting one of these lenses in a normal black color in the dye pot they would turn out completely and totally dark blue, after a tinting time of 19 minutes.

Has anyone had the same expirience using Trivex ...........if not have I been working with some other material.

I would appreciate some response on this subject.

Chris Ryser